B-Harko H6 Cylinder Insert 50g/40 mm Brass Knob EN 1303 Class 6 High Durability

Product Overview

The B-Harko H6 Cylinder Insert (50g/40 mm, brass, with knob) is a door cylinder certified to PN: EN 1303:2015-07 by the Building Technology Institute (ITB). With security rating 6.0, it is designed for modern interior installations in residential, commercial, and institutional buildings. High durability is confirmed by cycle testing, corrosion resistance class C, and a working temperature range from -20°C to +80°C.

This SKU stands out for its certified highest durability (class 6 ? minimum 100,000 cycles), meaning it eliminates frequent replacement risks and satisfies long-term service requirements for bulk procurement or projects prioritizing maintenance reduction. Particularly suited for specification-driven tenders, property managers, and installers in high-traffic or demanding environments requiring certified longevity.

Key Features

• 6-pin mechanism ? enhanced security via multiple independent locking elements


• Durability class 6 ? tested to minimum 100,000 cycles for long service life in busy installations


• Corrosion class C ? withstands harsh environments and temperature range from -20°C to +80°C


• Key security class 6 ? at least 100,000 unique key combinations prevent unauthorized duplication


• Moment resistance ? withstands torque up to 15 Nm, providing protection against forced entry


• Brass body and keys ? solid construction with 2.3 mm thick keys for durability


• Knob operation ? enables easy locking/unlocking from inside without a key

Technical Specifications

• Length: 50g/40 mm


• Material: Brass


• Number of Pins: 6


• Durability Class: 6 (minimum 100,000 cycles)


• Corrosion Resistance: Class C


• Temperature Range: -20°C to +80°C


• Key Security Class: 6 (minimum 100,000 key combinations)


• Torque Resistance: 15 Nm


• Certification: PN: EN 1303:2015-07


• Key Thickness: 2.3 mm


• Included Keys: 3

Applications

Suitable for residential and commercial buildings, including offices, hotels, and public facilities. Compatible with modern door assemblies, high-traffic access points, and entry doors requiring certified security and durability. Meets project requirements for tested key security, corrosion resistance, and operational reliability in demanding conditions.

Packaging & Shipping

Each unit is packaged in an aesthetic box with the cylinder, three keys, mounting screw, and instructions on maintenance and installation. Compliance declaration and test certificate included. Bulk packaging available for larger orders.